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| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.ipc;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import java.util.ArrayList;</span> |
| <span class="source-line-no">021</span><span id="line-21">import java.util.Collection;</span> |
| <span class="source-line-no">022</span><span id="line-22">import java.util.Comparator;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.util.List;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.util.Locale;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.util.Map;</span> |
| <span class="source-line-no">026</span><span id="line-26">import java.util.Optional;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.util.concurrent.BlockingQueue;</span> |
| <span class="source-line-no">028</span><span id="line-28">import java.util.concurrent.LinkedBlockingQueue;</span> |
| <span class="source-line-no">029</span><span id="line-29">import java.util.concurrent.atomic.AtomicInteger;</span> |
| <span class="source-line-no">030</span><span id="line-30">import java.util.concurrent.atomic.LongAdder;</span> |
| <span class="source-line-no">031</span><span id="line-31">import java.util.function.Function;</span> |
| <span class="source-line-no">032</span><span id="line-32">import java.util.stream.Collectors;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.Abortable;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.HBaseInterfaceAudience;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.HConstants;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.conf.ConfigurationObserver;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.util.BoundedPriorityBlockingQueue;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.util.Pair;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.util.ReflectionUtils;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.yetus.audience.InterfaceStability;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.slf4j.Logger;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">045</span><span id="line-45"></span> |
| <span class="source-line-no">046</span><span id="line-46">import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.hbase.thirdparty.com.google.common.base.Strings;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.apache.hbase.thirdparty.com.google.protobuf.Descriptors;</span> |
| <span class="source-line-no">049</span><span id="line-49"></span> |
| <span class="source-line-no">050</span><span id="line-50">/**</span> |
| <span class="source-line-no">051</span><span id="line-51"> * Runs the CallRunners passed here via {@link #dispatch(CallRunner)}. Subclass and add particular</span> |
| <span class="source-line-no">052</span><span id="line-52"> * scheduling behavior.</span> |
| <span class="source-line-no">053</span><span id="line-53"> */</span> |
| <span class="source-line-no">054</span><span id="line-54">@InterfaceAudience.LimitedPrivate({ HBaseInterfaceAudience.COPROC, HBaseInterfaceAudience.PHOENIX })</span> |
| <span class="source-line-no">055</span><span id="line-55">@InterfaceStability.Evolving</span> |
| <span class="source-line-no">056</span><span id="line-56">public abstract class RpcExecutor {</span> |
| <span class="source-line-no">057</span><span id="line-57"> private static final Logger LOG = LoggerFactory.getLogger(RpcExecutor.class);</span> |
| <span class="source-line-no">058</span><span id="line-58"></span> |
| <span class="source-line-no">059</span><span id="line-59"> protected static final int DEFAULT_CALL_QUEUE_SIZE_HARD_LIMIT = 250;</span> |
| <span class="source-line-no">060</span><span id="line-60"> public static final String CALL_QUEUE_HANDLER_FACTOR_CONF_KEY =</span> |
| <span class="source-line-no">061</span><span id="line-61"> "hbase.ipc.server.callqueue.handler.factor";</span> |
| <span class="source-line-no">062</span><span id="line-62"></span> |
| <span class="source-line-no">063</span><span id="line-63"> /** max delay in msec used to bound the de-prioritized requests */</span> |
| <span class="source-line-no">064</span><span id="line-64"> public static final String QUEUE_MAX_CALL_DELAY_CONF_KEY =</span> |
| <span class="source-line-no">065</span><span id="line-65"> "hbase.ipc.server.queue.max.call.delay";</span> |
| <span class="source-line-no">066</span><span id="line-66"></span> |
| <span class="source-line-no">067</span><span id="line-67"> /**</span> |
| <span class="source-line-no">068</span><span id="line-68"> * The default, 'fifo', has the least friction but is dumb. If set to 'deadline', uses a priority</span> |
| <span class="source-line-no">069</span><span id="line-69"> * queue and de-prioritizes long-running scans. Sorting by priority comes at a cost, reduced</span> |
| <span class="source-line-no">070</span><span id="line-70"> * throughput.</span> |
| <span class="source-line-no">071</span><span id="line-71"> */</span> |
| <span class="source-line-no">072</span><span id="line-72"> public static final String CALL_QUEUE_TYPE_CODEL_CONF_VALUE = "codel";</span> |
| <span class="source-line-no">073</span><span id="line-73"> public static final String CALL_QUEUE_TYPE_DEADLINE_CONF_VALUE = "deadline";</span> |
| <span class="source-line-no">074</span><span id="line-74"> public static final String CALL_QUEUE_TYPE_FIFO_CONF_VALUE = "fifo";</span> |
| <span class="source-line-no">075</span><span id="line-75"> public static final String CALL_QUEUE_TYPE_PLUGGABLE_CONF_VALUE = "pluggable";</span> |
| <span class="source-line-no">076</span><span id="line-76"> public static final String CALL_QUEUE_TYPE_CONF_KEY = "hbase.ipc.server.callqueue.type";</span> |
| <span class="source-line-no">077</span><span id="line-77"> public static final String CALL_QUEUE_TYPE_CONF_DEFAULT = CALL_QUEUE_TYPE_FIFO_CONF_VALUE;</span> |
| <span class="source-line-no">078</span><span id="line-78"></span> |
| <span class="source-line-no">079</span><span id="line-79"> public static final String CALL_QUEUE_QUEUE_BALANCER_CLASS =</span> |
| <span class="source-line-no">080</span><span id="line-80"> "hbase.ipc.server.callqueue.balancer.class";</span> |
| <span class="source-line-no">081</span><span id="line-81"> public static final Class<?> CALL_QUEUE_QUEUE_BALANCER_CLASS_DEFAULT = RandomQueueBalancer.class;</span> |
| <span class="source-line-no">082</span><span id="line-82"></span> |
| <span class="source-line-no">083</span><span id="line-83"> // These 3 are only used by Codel executor</span> |
| <span class="source-line-no">084</span><span id="line-84"> public static final String CALL_QUEUE_CODEL_TARGET_DELAY =</span> |
| <span class="source-line-no">085</span><span id="line-85"> "hbase.ipc.server.callqueue.codel.target.delay";</span> |
| <span class="source-line-no">086</span><span id="line-86"> public static final String CALL_QUEUE_CODEL_INTERVAL =</span> |
| <span class="source-line-no">087</span><span id="line-87"> "hbase.ipc.server.callqueue.codel.interval";</span> |
| <span class="source-line-no">088</span><span id="line-88"> public static final String CALL_QUEUE_CODEL_LIFO_THRESHOLD =</span> |
| <span class="source-line-no">089</span><span id="line-89"> "hbase.ipc.server.callqueue.codel.lifo.threshold";</span> |
| <span class="source-line-no">090</span><span id="line-90"></span> |
| <span class="source-line-no">091</span><span id="line-91"> public static final int CALL_QUEUE_CODEL_DEFAULT_TARGET_DELAY = 100;</span> |
| <span class="source-line-no">092</span><span id="line-92"> public static final int CALL_QUEUE_CODEL_DEFAULT_INTERVAL = 100;</span> |
| <span class="source-line-no">093</span><span id="line-93"> public static final double CALL_QUEUE_CODEL_DEFAULT_LIFO_THRESHOLD = 0.8;</span> |
| <span class="source-line-no">094</span><span id="line-94"></span> |
| <span class="source-line-no">095</span><span id="line-95"> public static final String PLUGGABLE_CALL_QUEUE_CLASS_NAME =</span> |
| <span class="source-line-no">096</span><span id="line-96"> "hbase.ipc.server.callqueue.pluggable.queue.class.name";</span> |
| <span class="source-line-no">097</span><span id="line-97"> public static final String PLUGGABLE_CALL_QUEUE_WITH_FAST_PATH_ENABLED =</span> |
| <span class="source-line-no">098</span><span id="line-98"> "hbase.ipc.server.callqueue.pluggable.queue.fast.path.enabled";</span> |
| <span class="source-line-no">099</span><span id="line-99"></span> |
| <span class="source-line-no">100</span><span id="line-100"> private final LongAdder numGeneralCallsDropped = new LongAdder();</span> |
| <span class="source-line-no">101</span><span id="line-101"> private final LongAdder numLifoModeSwitches = new LongAdder();</span> |
| <span class="source-line-no">102</span><span id="line-102"></span> |
| <span class="source-line-no">103</span><span id="line-103"> protected final int numCallQueues;</span> |
| <span class="source-line-no">104</span><span id="line-104"> protected final List<BlockingQueue<CallRunner>> queues;</span> |
| <span class="source-line-no">105</span><span id="line-105"> private final Class<? extends BlockingQueue> queueClass;</span> |
| <span class="source-line-no">106</span><span id="line-106"> private final Object[] queueInitArgs;</span> |
| <span class="source-line-no">107</span><span id="line-107"></span> |
| <span class="source-line-no">108</span><span id="line-108"> protected volatile int currentQueueLimit;</span> |
| <span class="source-line-no">109</span><span id="line-109"></span> |
| <span class="source-line-no">110</span><span id="line-110"> private final AtomicInteger activeHandlerCount = new AtomicInteger(0);</span> |
| <span class="source-line-no">111</span><span id="line-111"> private final List<RpcHandler> handlers;</span> |
| <span class="source-line-no">112</span><span id="line-112"> private final int handlerCount;</span> |
| <span class="source-line-no">113</span><span id="line-113"> private final AtomicInteger failedHandlerCount = new AtomicInteger(0);</span> |
| <span class="source-line-no">114</span><span id="line-114"></span> |
| <span class="source-line-no">115</span><span id="line-115"> private String name;</span> |
| <span class="source-line-no">116</span><span id="line-116"></span> |
| <span class="source-line-no">117</span><span id="line-117"> private final Configuration conf;</span> |
| <span class="source-line-no">118</span><span id="line-118"> private final Abortable abortable;</span> |
| <span class="source-line-no">119</span><span id="line-119"></span> |
| <span class="source-line-no">120</span><span id="line-120"> public RpcExecutor(final String name, final int handlerCount, final int maxQueueLength,</span> |
| <span class="source-line-no">121</span><span id="line-121"> final PriorityFunction priority, final Configuration conf, final Abortable abortable) {</span> |
| <span class="source-line-no">122</span><span id="line-122"> this(name, handlerCount, conf.get(CALL_QUEUE_TYPE_CONF_KEY, CALL_QUEUE_TYPE_CONF_DEFAULT),</span> |
| <span class="source-line-no">123</span><span id="line-123"> maxQueueLength, priority, conf, abortable);</span> |
| <span class="source-line-no">124</span><span id="line-124"> }</span> |
| <span class="source-line-no">125</span><span id="line-125"></span> |
| <span class="source-line-no">126</span><span id="line-126"> public RpcExecutor(final String name, final int handlerCount, final String callQueueType,</span> |
| <span class="source-line-no">127</span><span id="line-127"> final int maxQueueLength, final PriorityFunction priority, final Configuration conf,</span> |
| <span class="source-line-no">128</span><span id="line-128"> final Abortable abortable) {</span> |
| <span class="source-line-no">129</span><span id="line-129"> this.name = Strings.nullToEmpty(name);</span> |
| <span class="source-line-no">130</span><span id="line-130"> this.conf = conf;</span> |
| <span class="source-line-no">131</span><span id="line-131"> this.abortable = abortable;</span> |
| <span class="source-line-no">132</span><span id="line-132"></span> |
| <span class="source-line-no">133</span><span id="line-133"> float callQueuesHandlersFactor = this.conf.getFloat(CALL_QUEUE_HANDLER_FACTOR_CONF_KEY, 0.1f);</span> |
| <span class="source-line-no">134</span><span id="line-134"> if (</span> |
| <span class="source-line-no">135</span><span id="line-135"> Float.compare(callQueuesHandlersFactor, 1.0f) > 0</span> |
| <span class="source-line-no">136</span><span id="line-136"> || Float.compare(0.0f, callQueuesHandlersFactor) > 0</span> |
| <span class="source-line-no">137</span><span id="line-137"> ) {</span> |
| <span class="source-line-no">138</span><span id="line-138"> LOG.warn(</span> |
| <span class="source-line-no">139</span><span id="line-139"> CALL_QUEUE_HANDLER_FACTOR_CONF_KEY + " is *ILLEGAL*, it should be in range [0.0, 1.0]");</span> |
| <span class="source-line-no">140</span><span id="line-140"> // For callQueuesHandlersFactor > 1.0, we just set it 1.0f.</span> |
| <span class="source-line-no">141</span><span id="line-141"> if (Float.compare(callQueuesHandlersFactor, 1.0f) > 0) {</span> |
| <span class="source-line-no">142</span><span id="line-142"> LOG.warn("Set " + CALL_QUEUE_HANDLER_FACTOR_CONF_KEY + " 1.0f");</span> |
| <span class="source-line-no">143</span><span id="line-143"> callQueuesHandlersFactor = 1.0f;</span> |
| <span class="source-line-no">144</span><span id="line-144"> } else {</span> |
| <span class="source-line-no">145</span><span id="line-145"> // But for callQueuesHandlersFactor < 0.0, following method #computeNumCallQueues</span> |
| <span class="source-line-no">146</span><span id="line-146"> // will compute max(1, -x) => 1 which has same effect of default value.</span> |
| <span class="source-line-no">147</span><span id="line-147"> LOG.warn("Set " + CALL_QUEUE_HANDLER_FACTOR_CONF_KEY + " default value 0.0f");</span> |
| <span class="source-line-no">148</span><span id="line-148"> }</span> |
| <span class="source-line-no">149</span><span id="line-149"> }</span> |
| <span class="source-line-no">150</span><span id="line-150"> this.numCallQueues = computeNumCallQueues(handlerCount, callQueuesHandlersFactor);</span> |
| <span class="source-line-no">151</span><span id="line-151"> this.queues = new ArrayList<>(this.numCallQueues);</span> |
| <span class="source-line-no">152</span><span id="line-152"></span> |
| <span class="source-line-no">153</span><span id="line-153"> this.handlerCount = Math.max(handlerCount, this.numCallQueues);</span> |
| <span class="source-line-no">154</span><span id="line-154"> this.handlers = new ArrayList<>(this.handlerCount);</span> |
| <span class="source-line-no">155</span><span id="line-155"></span> |
| <span class="source-line-no">156</span><span id="line-156"> if (isDeadlineQueueType(callQueueType)) {</span> |
| <span class="source-line-no">157</span><span id="line-157"> this.name += ".Deadline";</span> |
| <span class="source-line-no">158</span><span id="line-158"> this.queueInitArgs =</span> |
| <span class="source-line-no">159</span><span id="line-159"> new Object[] { maxQueueLength, new CallPriorityComparator(conf, priority) };</span> |
| <span class="source-line-no">160</span><span id="line-160"> this.queueClass = BoundedPriorityBlockingQueue.class;</span> |
| <span class="source-line-no">161</span><span id="line-161"> } else if (isCodelQueueType(callQueueType)) {</span> |
| <span class="source-line-no">162</span><span id="line-162"> this.name += ".Codel";</span> |
| <span class="source-line-no">163</span><span id="line-163"> int codelTargetDelay =</span> |
| <span class="source-line-no">164</span><span id="line-164"> conf.getInt(CALL_QUEUE_CODEL_TARGET_DELAY, CALL_QUEUE_CODEL_DEFAULT_TARGET_DELAY);</span> |
| <span class="source-line-no">165</span><span id="line-165"> int codelInterval = conf.getInt(CALL_QUEUE_CODEL_INTERVAL, CALL_QUEUE_CODEL_DEFAULT_INTERVAL);</span> |
| <span class="source-line-no">166</span><span id="line-166"> double codelLifoThreshold =</span> |
| <span class="source-line-no">167</span><span id="line-167"> conf.getDouble(CALL_QUEUE_CODEL_LIFO_THRESHOLD, CALL_QUEUE_CODEL_DEFAULT_LIFO_THRESHOLD);</span> |
| <span class="source-line-no">168</span><span id="line-168"> this.queueInitArgs = new Object[] { maxQueueLength, codelTargetDelay, codelInterval,</span> |
| <span class="source-line-no">169</span><span id="line-169"> codelLifoThreshold, numGeneralCallsDropped, numLifoModeSwitches };</span> |
| <span class="source-line-no">170</span><span id="line-170"> this.queueClass = AdaptiveLifoCoDelCallQueue.class;</span> |
| <span class="source-line-no">171</span><span id="line-171"> } else if (isPluggableQueueType(callQueueType)) {</span> |
| <span class="source-line-no">172</span><span id="line-172"> Optional<Class<? extends BlockingQueue<CallRunner>>> pluggableQueueClass =</span> |
| <span class="source-line-no">173</span><span id="line-173"> getPluggableQueueClass();</span> |
| <span class="source-line-no">174</span><span id="line-174"></span> |
| <span class="source-line-no">175</span><span id="line-175"> if (!pluggableQueueClass.isPresent()) {</span> |
| <span class="source-line-no">176</span><span id="line-176"> throw new PluggableRpcQueueNotFound(</span> |
| <span class="source-line-no">177</span><span id="line-177"> "Pluggable call queue failed to load and selected call" + " queue type required");</span> |
| <span class="source-line-no">178</span><span id="line-178"> } else {</span> |
| <span class="source-line-no">179</span><span id="line-179"> this.queueInitArgs = new Object[] { maxQueueLength, priority, conf };</span> |
| <span class="source-line-no">180</span><span id="line-180"> this.queueClass = pluggableQueueClass.get();</span> |
| <span class="source-line-no">181</span><span id="line-181"> }</span> |
| <span class="source-line-no">182</span><span id="line-182"> } else {</span> |
| <span class="source-line-no">183</span><span id="line-183"> this.name += ".Fifo";</span> |
| <span class="source-line-no">184</span><span id="line-184"> this.queueInitArgs = new Object[] { maxQueueLength };</span> |
| <span class="source-line-no">185</span><span id="line-185"> this.queueClass = LinkedBlockingQueue.class;</span> |
| <span class="source-line-no">186</span><span id="line-186"> }</span> |
| <span class="source-line-no">187</span><span id="line-187"></span> |
| <span class="source-line-no">188</span><span id="line-188"> LOG.info(</span> |
| <span class="source-line-no">189</span><span id="line-189"> "Instantiated {} with queueClass={}; "</span> |
| <span class="source-line-no">190</span><span id="line-190"> + "numCallQueues={}, maxQueueLength={}, handlerCount={}",</span> |
| <span class="source-line-no">191</span><span id="line-191"> this.name, this.queueClass, this.numCallQueues, maxQueueLength, this.handlerCount);</span> |
| <span class="source-line-no">192</span><span id="line-192"> }</span> |
| <span class="source-line-no">193</span><span id="line-193"></span> |
| <span class="source-line-no">194</span><span id="line-194"> protected int computeNumCallQueues(final int handlerCount, final float callQueuesHandlersFactor) {</span> |
| <span class="source-line-no">195</span><span id="line-195"> return Math.max(1, Math.round(handlerCount * callQueuesHandlersFactor));</span> |
| <span class="source-line-no">196</span><span id="line-196"> }</span> |
| <span class="source-line-no">197</span><span id="line-197"></span> |
| <span class="source-line-no">198</span><span id="line-198"> /**</span> |
| <span class="source-line-no">199</span><span id="line-199"> * Return the {@link Descriptors.MethodDescriptor#getName()} from {@code callRunner} or "Unknown".</span> |
| <span class="source-line-no">200</span><span id="line-200"> */</span> |
| <span class="source-line-no">201</span><span id="line-201"> private static String getMethodName(final CallRunner callRunner) {</span> |
| <span class="source-line-no">202</span><span id="line-202"> return Optional.ofNullable(callRunner).map(CallRunner::getRpcCall).map(RpcCall::getMethod)</span> |
| <span class="source-line-no">203</span><span id="line-203"> .map(Descriptors.MethodDescriptor::getName).orElse("Unknown");</span> |
| <span class="source-line-no">204</span><span id="line-204"> }</span> |
| <span class="source-line-no">205</span><span id="line-205"></span> |
| <span class="source-line-no">206</span><span id="line-206"> /**</span> |
| <span class="source-line-no">207</span><span id="line-207"> * Return the {@link RpcCall#getSize()} from {@code callRunner} or 0L.</span> |
| <span class="source-line-no">208</span><span id="line-208"> */</span> |
| <span class="source-line-no">209</span><span id="line-209"> private static long getRpcCallSize(final CallRunner callRunner) {</span> |
| <span class="source-line-no">210</span><span id="line-210"> return Optional.ofNullable(callRunner).map(CallRunner::getRpcCall).map(RpcCall::getSize)</span> |
| <span class="source-line-no">211</span><span id="line-211"> .orElse(0L);</span> |
| <span class="source-line-no">212</span><span id="line-212"> }</span> |
| <span class="source-line-no">213</span><span id="line-213"></span> |
| <span class="source-line-no">214</span><span id="line-214"> public Map<String, Long> getCallQueueCountsSummary() {</span> |
| <span class="source-line-no">215</span><span id="line-215"> return queues.stream().flatMap(Collection::stream).map(RpcExecutor::getMethodName)</span> |
| <span class="source-line-no">216</span><span id="line-216"> .collect(Collectors.groupingBy(Function.identity(), Collectors.counting()));</span> |
| <span class="source-line-no">217</span><span id="line-217"> }</span> |
| <span class="source-line-no">218</span><span id="line-218"></span> |
| <span class="source-line-no">219</span><span id="line-219"> public Map<String, Long> getCallQueueSizeSummary() {</span> |
| <span class="source-line-no">220</span><span id="line-220"> return queues.stream().flatMap(Collection::stream)</span> |
| <span class="source-line-no">221</span><span id="line-221"> .map(callRunner -> new Pair<>(getMethodName(callRunner), getRpcCallSize(callRunner)))</span> |
| <span class="source-line-no">222</span><span id="line-222"> .collect(Collectors.groupingBy(Pair::getFirst, Collectors.summingLong(Pair::getSecond)));</span> |
| <span class="source-line-no">223</span><span id="line-223"> }</span> |
| <span class="source-line-no">224</span><span id="line-224"></span> |
| <span class="source-line-no">225</span><span id="line-225"> protected void initializeQueues(final int numQueues) {</span> |
| <span class="source-line-no">226</span><span id="line-226"> if (queueInitArgs.length > 0) {</span> |
| <span class="source-line-no">227</span><span id="line-227"> currentQueueLimit = (int) queueInitArgs[0];</span> |
| <span class="source-line-no">228</span><span id="line-228"> queueInitArgs[0] = Math.max((int) queueInitArgs[0], DEFAULT_CALL_QUEUE_SIZE_HARD_LIMIT);</span> |
| <span class="source-line-no">229</span><span id="line-229"> }</span> |
| <span class="source-line-no">230</span><span id="line-230"> for (int i = 0; i < numQueues; ++i) {</span> |
| <span class="source-line-no">231</span><span id="line-231"> queues.add(ReflectionUtils.newInstance(queueClass, queueInitArgs));</span> |
| <span class="source-line-no">232</span><span id="line-232"> }</span> |
| <span class="source-line-no">233</span><span id="line-233"> }</span> |
| <span class="source-line-no">234</span><span id="line-234"></span> |
| <span class="source-line-no">235</span><span id="line-235"> public void start(final int port) {</span> |
| <span class="source-line-no">236</span><span id="line-236"> startHandlers(port);</span> |
| <span class="source-line-no">237</span><span id="line-237"> }</span> |
| <span class="source-line-no">238</span><span id="line-238"></span> |
| <span class="source-line-no">239</span><span id="line-239"> public void stop() {</span> |
| <span class="source-line-no">240</span><span id="line-240"> for (RpcHandler handler : handlers) {</span> |
| <span class="source-line-no">241</span><span id="line-241"> handler.stopRunning();</span> |
| <span class="source-line-no">242</span><span id="line-242"> handler.interrupt();</span> |
| <span class="source-line-no">243</span><span id="line-243"> }</span> |
| <span class="source-line-no">244</span><span id="line-244"> }</span> |
| <span class="source-line-no">245</span><span id="line-245"></span> |
| <span class="source-line-no">246</span><span id="line-246"> /** Add the request to the executor queue */</span> |
| <span class="source-line-no">247</span><span id="line-247"> public abstract boolean dispatch(final CallRunner callTask);</span> |
| <span class="source-line-no">248</span><span id="line-248"></span> |
| <span class="source-line-no">249</span><span id="line-249"> /** Returns the list of request queues */</span> |
| <span class="source-line-no">250</span><span id="line-250"> protected List<BlockingQueue<CallRunner>> getQueues() {</span> |
| <span class="source-line-no">251</span><span id="line-251"> return queues;</span> |
| <span class="source-line-no">252</span><span id="line-252"> }</span> |
| <span class="source-line-no">253</span><span id="line-253"></span> |
| <span class="source-line-no">254</span><span id="line-254"> protected void startHandlers(final int port) {</span> |
| <span class="source-line-no">255</span><span id="line-255"> List<BlockingQueue<CallRunner>> callQueues = getQueues();</span> |
| <span class="source-line-no">256</span><span id="line-256"> startHandlers(null, handlerCount, callQueues, 0, callQueues.size(), port, activeHandlerCount);</span> |
| <span class="source-line-no">257</span><span id="line-257"> }</span> |
| <span class="source-line-no">258</span><span id="line-258"></span> |
| <span class="source-line-no">259</span><span id="line-259"> /**</span> |
| <span class="source-line-no">260</span><span id="line-260"> * Override if providing alternate Handler implementation.</span> |
| <span class="source-line-no">261</span><span id="line-261"> */</span> |
| <span class="source-line-no">262</span><span id="line-262"> protected RpcHandler getHandler(final String name, final double handlerFailureThreshhold,</span> |
| <span class="source-line-no">263</span><span id="line-263"> final int handlerCount, final BlockingQueue<CallRunner> q,</span> |
| <span class="source-line-no">264</span><span id="line-264"> final AtomicInteger activeHandlerCount, final AtomicInteger failedHandlerCount,</span> |
| <span class="source-line-no">265</span><span id="line-265"> final Abortable abortable) {</span> |
| <span class="source-line-no">266</span><span id="line-266"> return new RpcHandler(name, handlerFailureThreshhold, handlerCount, q, activeHandlerCount,</span> |
| <span class="source-line-no">267</span><span id="line-267"> failedHandlerCount, abortable);</span> |
| <span class="source-line-no">268</span><span id="line-268"> }</span> |
| <span class="source-line-no">269</span><span id="line-269"></span> |
| <span class="source-line-no">270</span><span id="line-270"> /**</span> |
| <span class="source-line-no">271</span><span id="line-271"> * Start up our handlers.</span> |
| <span class="source-line-no">272</span><span id="line-272"> */</span> |
| <span class="source-line-no">273</span><span id="line-273"> protected void startHandlers(final String nameSuffix, final int numHandlers,</span> |
| <span class="source-line-no">274</span><span id="line-274"> final List<BlockingQueue<CallRunner>> callQueues, final int qindex, final int qsize,</span> |
| <span class="source-line-no">275</span><span id="line-275"> final int port, final AtomicInteger activeHandlerCount) {</span> |
| <span class="source-line-no">276</span><span id="line-276"> final String threadPrefix = name + Strings.nullToEmpty(nameSuffix);</span> |
| <span class="source-line-no">277</span><span id="line-277"> double handlerFailureThreshhold = conf == null</span> |
| <span class="source-line-no">278</span><span id="line-278"> ? 1.0</span> |
| <span class="source-line-no">279</span><span id="line-279"> : conf.getDouble(HConstants.REGION_SERVER_HANDLER_ABORT_ON_ERROR_PERCENT,</span> |
| <span class="source-line-no">280</span><span id="line-280"> HConstants.DEFAULT_REGION_SERVER_HANDLER_ABORT_ON_ERROR_PERCENT);</span> |
| <span class="source-line-no">281</span><span id="line-281"> for (int i = 0; i < numHandlers; i++) {</span> |
| <span class="source-line-no">282</span><span id="line-282"> final int index = qindex + (i % qsize);</span> |
| <span class="source-line-no">283</span><span id="line-283"> String name = "RpcServer." + threadPrefix + ".handler=" + handlers.size() + ",queue=" + index</span> |
| <span class="source-line-no">284</span><span id="line-284"> + ",port=" + port;</span> |
| <span class="source-line-no">285</span><span id="line-285"> RpcHandler handler = getHandler(name, handlerFailureThreshhold, handlerCount,</span> |
| <span class="source-line-no">286</span><span id="line-286"> callQueues.get(index), activeHandlerCount, failedHandlerCount, abortable);</span> |
| <span class="source-line-no">287</span><span id="line-287"> handler.start();</span> |
| <span class="source-line-no">288</span><span id="line-288"> handlers.add(handler);</span> |
| <span class="source-line-no">289</span><span id="line-289"> }</span> |
| <span class="source-line-no">290</span><span id="line-290"> LOG.debug("Started handlerCount={} with threadPrefix={}, numCallQueues={}, port={}",</span> |
| <span class="source-line-no">291</span><span id="line-291"> handlers.size(), threadPrefix, qsize, port);</span> |
| <span class="source-line-no">292</span><span id="line-292"> }</span> |
| <span class="source-line-no">293</span><span id="line-293"></span> |
| <span class="source-line-no">294</span><span id="line-294"> /**</span> |
| <span class="source-line-no">295</span><span id="line-295"> * All requests go to the first queue, at index 0</span> |
| <span class="source-line-no">296</span><span id="line-296"> */</span> |
| <span class="source-line-no">297</span><span id="line-297"> private static final QueueBalancer ONE_QUEUE = val -> 0;</span> |
| <span class="source-line-no">298</span><span id="line-298"></span> |
| <span class="source-line-no">299</span><span id="line-299"> public static QueueBalancer getBalancer(final String executorName, final Configuration conf,</span> |
| <span class="source-line-no">300</span><span id="line-300"> final List<BlockingQueue<CallRunner>> queues) {</span> |
| <span class="source-line-no">301</span><span id="line-301"> Preconditions.checkArgument(queues.size() > 0, "Queue size is <= 0, must be at least 1");</span> |
| <span class="source-line-no">302</span><span id="line-302"> if (queues.size() == 1) {</span> |
| <span class="source-line-no">303</span><span id="line-303"> return ONE_QUEUE;</span> |
| <span class="source-line-no">304</span><span id="line-304"> } else {</span> |
| <span class="source-line-no">305</span><span id="line-305"> Class<?> balancerClass =</span> |
| <span class="source-line-no">306</span><span id="line-306"> conf.getClass(CALL_QUEUE_QUEUE_BALANCER_CLASS, CALL_QUEUE_QUEUE_BALANCER_CLASS_DEFAULT);</span> |
| <span class="source-line-no">307</span><span id="line-307"> return (QueueBalancer) ReflectionUtils.newInstance(balancerClass, conf, executorName, queues);</span> |
| <span class="source-line-no">308</span><span id="line-308"> }</span> |
| <span class="source-line-no">309</span><span id="line-309"> }</span> |
| <span class="source-line-no">310</span><span id="line-310"></span> |
| <span class="source-line-no">311</span><span id="line-311"> /**</span> |
| <span class="source-line-no">312</span><span id="line-312"> * Comparator used by the "normal callQueue" if DEADLINE_CALL_QUEUE_CONF_KEY is set to true. It</span> |
| <span class="source-line-no">313</span><span id="line-313"> * uses the calculated "deadline" e.g. to deprioritize long-running job If multiple requests have</span> |
| <span class="source-line-no">314</span><span id="line-314"> * the same deadline BoundedPriorityBlockingQueue will order them in FIFO (first-in-first-out)</span> |
| <span class="source-line-no">315</span><span id="line-315"> * manner.</span> |
| <span class="source-line-no">316</span><span id="line-316"> */</span> |
| <span class="source-line-no">317</span><span id="line-317"> private static class CallPriorityComparator implements Comparator<CallRunner> {</span> |
| <span class="source-line-no">318</span><span id="line-318"> private final static int DEFAULT_MAX_CALL_DELAY = 5000;</span> |
| <span class="source-line-no">319</span><span id="line-319"></span> |
| <span class="source-line-no">320</span><span id="line-320"> private final PriorityFunction priority;</span> |
| <span class="source-line-no">321</span><span id="line-321"> private final int maxDelay;</span> |
| <span class="source-line-no">322</span><span id="line-322"></span> |
| <span class="source-line-no">323</span><span id="line-323"> public CallPriorityComparator(final Configuration conf, final PriorityFunction priority) {</span> |
| <span class="source-line-no">324</span><span id="line-324"> this.priority = priority;</span> |
| <span class="source-line-no">325</span><span id="line-325"> this.maxDelay = conf.getInt(QUEUE_MAX_CALL_DELAY_CONF_KEY, DEFAULT_MAX_CALL_DELAY);</span> |
| <span class="source-line-no">326</span><span id="line-326"> }</span> |
| <span class="source-line-no">327</span><span id="line-327"></span> |
| <span class="source-line-no">328</span><span id="line-328"> @Override</span> |
| <span class="source-line-no">329</span><span id="line-329"> public int compare(CallRunner a, CallRunner b) {</span> |
| <span class="source-line-no">330</span><span id="line-330"> RpcCall callA = a.getRpcCall();</span> |
| <span class="source-line-no">331</span><span id="line-331"> RpcCall callB = b.getRpcCall();</span> |
| <span class="source-line-no">332</span><span id="line-332"> long deadlineA = priority.getDeadline(callA.getHeader(), callA.getParam());</span> |
| <span class="source-line-no">333</span><span id="line-333"> long deadlineB = priority.getDeadline(callB.getHeader(), callB.getParam());</span> |
| <span class="source-line-no">334</span><span id="line-334"> deadlineA = callA.getReceiveTime() + Math.min(deadlineA, maxDelay);</span> |
| <span class="source-line-no">335</span><span id="line-335"> deadlineB = callB.getReceiveTime() + Math.min(deadlineB, maxDelay);</span> |
| <span class="source-line-no">336</span><span id="line-336"> return Long.compare(deadlineA, deadlineB);</span> |
| <span class="source-line-no">337</span><span id="line-337"> }</span> |
| <span class="source-line-no">338</span><span id="line-338"> }</span> |
| <span class="source-line-no">339</span><span id="line-339"></span> |
| <span class="source-line-no">340</span><span id="line-340"> public static boolean isDeadlineQueueType(final String callQueueType) {</span> |
| <span class="source-line-no">341</span><span id="line-341"> return callQueueType.equals(CALL_QUEUE_TYPE_DEADLINE_CONF_VALUE);</span> |
| <span class="source-line-no">342</span><span id="line-342"> }</span> |
| <span class="source-line-no">343</span><span id="line-343"></span> |
| <span class="source-line-no">344</span><span id="line-344"> public static boolean isCodelQueueType(final String callQueueType) {</span> |
| <span class="source-line-no">345</span><span id="line-345"> return callQueueType.equals(CALL_QUEUE_TYPE_CODEL_CONF_VALUE);</span> |
| <span class="source-line-no">346</span><span id="line-346"> }</span> |
| <span class="source-line-no">347</span><span id="line-347"></span> |
| <span class="source-line-no">348</span><span id="line-348"> public static boolean isFifoQueueType(final String callQueueType) {</span> |
| <span class="source-line-no">349</span><span id="line-349"> return callQueueType.equals(CALL_QUEUE_TYPE_FIFO_CONF_VALUE);</span> |
| <span class="source-line-no">350</span><span id="line-350"> }</span> |
| <span class="source-line-no">351</span><span id="line-351"></span> |
| <span class="source-line-no">352</span><span id="line-352"> public static boolean isPluggableQueueType(String callQueueType) {</span> |
| <span class="source-line-no">353</span><span id="line-353"> return callQueueType.equals(CALL_QUEUE_TYPE_PLUGGABLE_CONF_VALUE);</span> |
| <span class="source-line-no">354</span><span id="line-354"> }</span> |
| <span class="source-line-no">355</span><span id="line-355"></span> |
| <span class="source-line-no">356</span><span id="line-356"> public static boolean isPluggableQueueWithFastPath(String callQueueType, Configuration conf) {</span> |
| <span class="source-line-no">357</span><span id="line-357"> return isPluggableQueueType(callQueueType)</span> |
| <span class="source-line-no">358</span><span id="line-358"> && conf.getBoolean(PLUGGABLE_CALL_QUEUE_WITH_FAST_PATH_ENABLED, false);</span> |
| <span class="source-line-no">359</span><span id="line-359"> }</span> |
| <span class="source-line-no">360</span><span id="line-360"></span> |
| <span class="source-line-no">361</span><span id="line-361"> private Optional<Class<? extends BlockingQueue<CallRunner>>> getPluggableQueueClass() {</span> |
| <span class="source-line-no">362</span><span id="line-362"> String queueClassName = conf.get(PLUGGABLE_CALL_QUEUE_CLASS_NAME);</span> |
| <span class="source-line-no">363</span><span id="line-363"></span> |
| <span class="source-line-no">364</span><span id="line-364"> if (queueClassName == null) {</span> |
| <span class="source-line-no">365</span><span id="line-365"> LOG.error(</span> |
| <span class="source-line-no">366</span><span id="line-366"> "Pluggable queue class config at " + PLUGGABLE_CALL_QUEUE_CLASS_NAME + " was not found");</span> |
| <span class="source-line-no">367</span><span id="line-367"> return Optional.empty();</span> |
| <span class="source-line-no">368</span><span id="line-368"> }</span> |
| <span class="source-line-no">369</span><span id="line-369"></span> |
| <span class="source-line-no">370</span><span id="line-370"> try {</span> |
| <span class="source-line-no">371</span><span id="line-371"> Class<?> clazz = Class.forName(queueClassName);</span> |
| <span class="source-line-no">372</span><span id="line-372"></span> |
| <span class="source-line-no">373</span><span id="line-373"> if (BlockingQueue.class.isAssignableFrom(clazz)) {</span> |
| <span class="source-line-no">374</span><span id="line-374"> return Optional.of((Class<? extends BlockingQueue<CallRunner>>) clazz);</span> |
| <span class="source-line-no">375</span><span id="line-375"> } else {</span> |
| <span class="source-line-no">376</span><span id="line-376"> LOG.error(</span> |
| <span class="source-line-no">377</span><span id="line-377"> "Pluggable Queue class " + queueClassName + " does not extend BlockingQueue<CallRunner>");</span> |
| <span class="source-line-no">378</span><span id="line-378"> return Optional.empty();</span> |
| <span class="source-line-no">379</span><span id="line-379"> }</span> |
| <span class="source-line-no">380</span><span id="line-380"> } catch (ClassNotFoundException exception) {</span> |
| <span class="source-line-no">381</span><span id="line-381"> LOG.error("Could not find " + queueClassName + " on the classpath to load.");</span> |
| <span class="source-line-no">382</span><span id="line-382"> return Optional.empty();</span> |
| <span class="source-line-no">383</span><span id="line-383"> }</span> |
| <span class="source-line-no">384</span><span id="line-384"> }</span> |
| <span class="source-line-no">385</span><span id="line-385"></span> |
| <span class="source-line-no">386</span><span id="line-386"> public long getNumGeneralCallsDropped() {</span> |
| <span class="source-line-no">387</span><span id="line-387"> return numGeneralCallsDropped.longValue();</span> |
| <span class="source-line-no">388</span><span id="line-388"> }</span> |
| <span class="source-line-no">389</span><span id="line-389"></span> |
| <span class="source-line-no">390</span><span id="line-390"> public long getNumLifoModeSwitches() {</span> |
| <span class="source-line-no">391</span><span id="line-391"> return numLifoModeSwitches.longValue();</span> |
| <span class="source-line-no">392</span><span id="line-392"> }</span> |
| <span class="source-line-no">393</span><span id="line-393"></span> |
| <span class="source-line-no">394</span><span id="line-394"> public int getActiveHandlerCount() {</span> |
| <span class="source-line-no">395</span><span id="line-395"> return activeHandlerCount.get();</span> |
| <span class="source-line-no">396</span><span id="line-396"> }</span> |
| <span class="source-line-no">397</span><span id="line-397"></span> |
| <span class="source-line-no">398</span><span id="line-398"> public int getActiveWriteHandlerCount() {</span> |
| <span class="source-line-no">399</span><span id="line-399"> return 0;</span> |
| <span class="source-line-no">400</span><span id="line-400"> }</span> |
| <span class="source-line-no">401</span><span id="line-401"></span> |
| <span class="source-line-no">402</span><span id="line-402"> public int getActiveReadHandlerCount() {</span> |
| <span class="source-line-no">403</span><span id="line-403"> return 0;</span> |
| <span class="source-line-no">404</span><span id="line-404"> }</span> |
| <span class="source-line-no">405</span><span id="line-405"></span> |
| <span class="source-line-no">406</span><span id="line-406"> public int getActiveScanHandlerCount() {</span> |
| <span class="source-line-no">407</span><span id="line-407"> return 0;</span> |
| <span class="source-line-no">408</span><span id="line-408"> }</span> |
| <span class="source-line-no">409</span><span id="line-409"></span> |
| <span class="source-line-no">410</span><span id="line-410"> /** Returns the length of the pending queue */</span> |
| <span class="source-line-no">411</span><span id="line-411"> public int getQueueLength() {</span> |
| <span class="source-line-no">412</span><span id="line-412"> int length = 0;</span> |
| <span class="source-line-no">413</span><span id="line-413"> for (final BlockingQueue<CallRunner> queue : queues) {</span> |
| <span class="source-line-no">414</span><span id="line-414"> length += queue.size();</span> |
| <span class="source-line-no">415</span><span id="line-415"> }</span> |
| <span class="source-line-no">416</span><span id="line-416"> return length;</span> |
| <span class="source-line-no">417</span><span id="line-417"> }</span> |
| <span class="source-line-no">418</span><span id="line-418"></span> |
| <span class="source-line-no">419</span><span id="line-419"> public int getReadQueueLength() {</span> |
| <span class="source-line-no">420</span><span id="line-420"> return 0;</span> |
| <span class="source-line-no">421</span><span id="line-421"> }</span> |
| <span class="source-line-no">422</span><span id="line-422"></span> |
| <span class="source-line-no">423</span><span id="line-423"> public int getScanQueueLength() {</span> |
| <span class="source-line-no">424</span><span id="line-424"> return 0;</span> |
| <span class="source-line-no">425</span><span id="line-425"> }</span> |
| <span class="source-line-no">426</span><span id="line-426"></span> |
| <span class="source-line-no">427</span><span id="line-427"> public int getWriteQueueLength() {</span> |
| <span class="source-line-no">428</span><span id="line-428"> return 0;</span> |
| <span class="source-line-no">429</span><span id="line-429"> }</span> |
| <span class="source-line-no">430</span><span id="line-430"></span> |
| <span class="source-line-no">431</span><span id="line-431"> public String getName() {</span> |
| <span class="source-line-no">432</span><span id="line-432"> return this.name;</span> |
| <span class="source-line-no">433</span><span id="line-433"> }</span> |
| <span class="source-line-no">434</span><span id="line-434"></span> |
| <span class="source-line-no">435</span><span id="line-435"> /**</span> |
| <span class="source-line-no">436</span><span id="line-436"> * Update current soft limit for executor's call queues</span> |
| <span class="source-line-no">437</span><span id="line-437"> * @param conf updated configuration</span> |
| <span class="source-line-no">438</span><span id="line-438"> */</span> |
| <span class="source-line-no">439</span><span id="line-439"> public void resizeQueues(Configuration conf) {</span> |
| <span class="source-line-no">440</span><span id="line-440"> String configKey = RpcScheduler.IPC_SERVER_MAX_CALLQUEUE_LENGTH;</span> |
| <span class="source-line-no">441</span><span id="line-441"> if (name != null) {</span> |
| <span class="source-line-no">442</span><span id="line-442"> if (name.toLowerCase(Locale.ROOT).contains("priority")) {</span> |
| <span class="source-line-no">443</span><span id="line-443"> configKey = RpcScheduler.IPC_SERVER_PRIORITY_MAX_CALLQUEUE_LENGTH;</span> |
| <span class="source-line-no">444</span><span id="line-444"> } else if (name.toLowerCase(Locale.ROOT).contains("replication")) {</span> |
| <span class="source-line-no">445</span><span id="line-445"> configKey = RpcScheduler.IPC_SERVER_REPLICATION_MAX_CALLQUEUE_LENGTH;</span> |
| <span class="source-line-no">446</span><span id="line-446"> } else if (name.toLowerCase(Locale.ROOT).contains("bulkload")) {</span> |
| <span class="source-line-no">447</span><span id="line-447"> configKey = RpcScheduler.IPC_SERVER_BULKLOAD_MAX_CALLQUEUE_LENGTH;</span> |
| <span class="source-line-no">448</span><span id="line-448"> }</span> |
| <span class="source-line-no">449</span><span id="line-449"> }</span> |
| <span class="source-line-no">450</span><span id="line-450"> final int queueLimit = currentQueueLimit;</span> |
| <span class="source-line-no">451</span><span id="line-451"> currentQueueLimit = conf.getInt(configKey, queueLimit);</span> |
| <span class="source-line-no">452</span><span id="line-452"> }</span> |
| <span class="source-line-no">453</span><span id="line-453"></span> |
| <span class="source-line-no">454</span><span id="line-454"> public void onConfigurationChange(Configuration conf) {</span> |
| <span class="source-line-no">455</span><span id="line-455"> // update CoDel Scheduler tunables</span> |
| <span class="source-line-no">456</span><span id="line-456"> int codelTargetDelay =</span> |
| <span class="source-line-no">457</span><span id="line-457"> conf.getInt(CALL_QUEUE_CODEL_TARGET_DELAY, CALL_QUEUE_CODEL_DEFAULT_TARGET_DELAY);</span> |
| <span class="source-line-no">458</span><span id="line-458"> int codelInterval = conf.getInt(CALL_QUEUE_CODEL_INTERVAL, CALL_QUEUE_CODEL_DEFAULT_INTERVAL);</span> |
| <span class="source-line-no">459</span><span id="line-459"> double codelLifoThreshold =</span> |
| <span class="source-line-no">460</span><span id="line-460"> conf.getDouble(CALL_QUEUE_CODEL_LIFO_THRESHOLD, CALL_QUEUE_CODEL_DEFAULT_LIFO_THRESHOLD);</span> |
| <span class="source-line-no">461</span><span id="line-461"></span> |
| <span class="source-line-no">462</span><span id="line-462"> for (BlockingQueue<CallRunner> queue : queues) {</span> |
| <span class="source-line-no">463</span><span id="line-463"> if (queue instanceof AdaptiveLifoCoDelCallQueue) {</span> |
| <span class="source-line-no">464</span><span id="line-464"> ((AdaptiveLifoCoDelCallQueue) queue).updateTunables(codelTargetDelay, codelInterval,</span> |
| <span class="source-line-no">465</span><span id="line-465"> codelLifoThreshold);</span> |
| <span class="source-line-no">466</span><span id="line-466"> } else if (queue instanceof ConfigurationObserver) {</span> |
| <span class="source-line-no">467</span><span id="line-467"> ((ConfigurationObserver) queue).onConfigurationChange(conf);</span> |
| <span class="source-line-no">468</span><span id="line-468"> }</span> |
| <span class="source-line-no">469</span><span id="line-469"> }</span> |
| <span class="source-line-no">470</span><span id="line-470"> }</span> |
| <span class="source-line-no">471</span><span id="line-471">}</span> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |